Finding the Fourth Proportional to 1,408,959.26, 1,944,364.48 and 764,379.28
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Solution
The fourth proportional to 1,408,959.26, 1,944,364.48 and 764,379.28 is: 1,054,843.79
Step by Step Solution
- Step 1: Write the proportion equation
1,408,959.26 : 1,944,364.48 = 764,379.28 : x - Step 2: Convert to fraction form
1,408,959.26/1,944,364.48 = 764,379.28/x - Step 3: Cross multiply
1,408,959.26x = 1,944,364.48 × 764,379.28 - Step 4: Simplify right side
1,408,959.26x = 1,486,231,921,279.97 - Step 5: Solve for x
x = 1,486,231,921,279.97/1,408,959.26 - Step 6: Final answer
x = 1,054,843.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.